Cooling Systems: Notes
As in the series production X6 (xDrive50i) the X5/X6 M have two cooling systems, the main engine cooling system and a low temperature cooling system dedicated to intake charge air cooling (turbo intercooling). The following components have been adopted from the N63 and are common with series production E71 vehicles:
- The low temperature system heat exchanger for the intercoolers
- Air conditioning condenser
- Power steering oil cooler
- The standalone auxiliary radiator
The expansion tank for the main engine cooling system was taken from the E70.